AAVSO: American Association of Variable Star Observers

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Star Exoplanet Observation Date Primary Observer Measurements reference
Details Qatar-2 Qatar-2 b 2020-05-08 BPG 165 in 4.04 hrs 2118

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

BPAG

Priors

Period=1.3371164 +/- 1.1e-06,a/R*=6.432 +/- 0.072,inc=88.99 +/- 0.2,ecc=0.0,u0=2.13 +/- 0.017,u1=-3.705 +/- 0.07,u2=3.949 +/- 0.091,u3=-1.374 +/- 0.038

Results

Tc=2458977.7441 +/- 0.00072,Rp/R*=0.1586 +/- 0.0041,a/R*=6.45 +/- 0.16,Am1=0.9397 +/- 0.0067,Am2=0.0449 +/- 0.0098
Details Qatar2 Qatar2 b 2020-05-08 VHIA 157 in 4.04 hrs 850

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

BPAG

Priors

Period=1.33711569 +/- 6.3e-07,a/R*=6.432 +/- 0.072,inc=88.99 +/- 0.2,ecc=0.0,u0=2.13 +/- 0.017,u1=-3.704 +/- 0.07,u2=3.947 +/- 0.091,u3=-1.374 +/- 0.038

Results

Tc=2458977.74454 +/- 0.001,Rp/R*=0.1609 +/- 0.0062,Am1=0.849 +/- 0.017,Am2=0.118 +/- 0.014
Details Qatar 2 Qatar 2 b 2020-05-08 GSHB 151 in 4.04 hrs 491

Detrend Parameters

AIRMASS,AIRMASS CORRECTION FUNCTION

Secondary Observers

GSHC, BPAG

Priors

Period=1.33711569 +/- 6.3e-07,a/R*=6.432,inc=88.99,ecc=0,u0=1.702822244211623 +/- 0.03180841083050114,u1=-3.0988875069029524 +/- 0.1361697710122054,u2=3.6852125827875204 +/- 0.18557973290400176,u3=-1.2891473200961912 +/- 0.08127985628607727

Results

Tc=2458977.74466694 +/- 0.00066538,Rp/R*=0.182496 +/- 0.000186,Am1=0.69834 +/- 0.00875,Am2=0.00385 +/- 0.00916